Wheel pressing quick release structure

Abstract

The utility model discloses a wheel pressing quick release structure which is used for connecting or disconnecting a wheel and a vehicle body, the wheel comprises a wheel body and a connecting rod connected with the wheel body, and a connecting groove is formed in the end, away from the wheel body, of the connecting rod; the wheel pressing quick-release structure comprises a connecting sleeve, an elastic abutting piece, a pressing piece and a limiting support. The connecting sleeve is provided with a connecting hole allowing the connecting rod to stretch into. The connecting sleeve is provided with an erecting part, and the erecting part is provided with a sliding hole and a guide hole; the pressing piece and the limiting support are arranged on the two sides of the sliding hole respectively, and the limiting support is provided with a sliding rod penetrating through the sliding hole and a sliding rail connected with the guide hole in a sliding mode. The pressing piece is connected with the end part of the sliding rod; the limiting support is further provided with lock catches corresponding to the connecting grooves. One end of the elastic abutting piece abuts against the pressing piece, and the other end of the elastic abutting piece abuts against the erecting part. The connecting sleeve is provided with a receding hole corresponding to the limiting support, and the receding hole is communicated with the connecting hole.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wheel device, in particular to a wheel pressing quick release structure. BACKGROUND

[0002] There are various connection methods between the wheel and the vehicle body, which can be generally divided into detachable connection and non-detachable connection. The detachable connection between the wheel and the vehicle body not only facilitates transportation, but also facilitates assembly, maintenance, replacement, and stable parking after disassembly, which is more favored by users and vehicle manufacturing enterprises.

[0003] In the prior art, such as the front wheel set mechanism of the baby stroller disclosed in patent application No. 201120523222.3, the shopping walker with front wheel quick release function disclosed in patent application No. 201921369647.6, and the wheel quick release structure and the vehicle with the wheel quick release structure disclosed in patent application No. 202321789071.5. They all use dismounting pieces with through holes to connect and limit the connecting rods of the wheels. The specific operation is as follows: when the wheel and the vehicle body are in a separated state, press the outside of the dismounting piece, compress the corresponding spring, move the through hole on the dismounting piece to the predetermined position, then release the dismounting piece to complete the connection.

[0004] However, the through hole is inside the connecting pipe, and the user cannot see where it moves when pressing the dismounting piece. Excessive pressing or insufficient pressing can easily prevent the connecting rod of the wheel from passing through the movement; therefore, the user needs to repeatedly adjust, especially when the internal components need to be disassembled and maintained. The above structure cannot achieve quick disassembly, which is not conducive to maintenance and use. CONTENT OF THE UTILITY MODEL

[0005] The utility model mainly aims at the above problems, and proposes a wheel pressing quick release structure, which aims to solve the technical problems in the background art.

[0006] In order to achieve the above object, the utility model provides a wheel pressing quick release structure for wheel and vehicle body connection or disconnection, the wheel includes a wheel body, a connecting rod connected with the wheel body, and the connecting rod is provided with a connecting groove at one end away from the wheel body; the wheel pressing quick release structure includes a connecting sleeve, an elastic abutting piece, a pressing piece, and a limiting support, the connecting sleeve is provided with a connecting hole for the connecting rod to extend into; the connecting sleeve is provided with a mounting part, the mounting part is provided with a sliding hole and a guide hole; the pressing piece and the limiting support are respectively arranged on both sides of the sliding hole, the limiting support is provided with a sliding rod penetrating through the sliding hole and a sliding rail slidingly connected with the guide hole; the pressing piece is connected with the end of the sliding rod; the limiting support is further provided with a lock catch corresponding to the connecting groove; one end of the elastic abutting piece abuts against the pressing piece, and the other end abuts against the mounting part; when the pressing piece is pressed, the lock catch moves to a predetermined position away from the sliding hole, the connecting rod extends into the connecting hole, the pressing piece is released, and the elastic abutting piece keeps the lock catch from falling into the connecting groove.

[0007] Further, the pressing piece is threadedly connected with the sliding rod.

[0008] Further, the end of the connecting rod is provided with a first sliding inclined surface, and the limiting support is provided with a second sliding inclined surface corresponding to the first sliding inclined surface.

[0009] Further, the limiting support is provided with a receiving groove for receiving the end of the connecting rod; and the lock catch is located between the second sliding inclined surface and the receiving groove.

[0010] Further, the connecting sleeve is provided with a receiving groove for receiving at least part of the pressing piece.

[0011] Further, the connecting sleeve is provided with an avoiding hole corresponding to the limiting support, and the avoiding hole is in communication with the connecting hole.

[0012] Further, the limiting support includes a support plate body, and the sliding rod and the sliding rail are arranged on the side wall of the support plate body; the second sliding inclined surface, the receiving groove, and the lock catch are arranged on the support plate body; the side wall of the support plate body, which is away from the sliding rod, the sliding rail, the second sliding inclined surface, the receiving groove, and the lock catch, is provided with an arc surface in abutment with the outer wall of the connecting sleeve.

[0013] Further, the elastic abutting piece is a cylindrical spring, and the inner hole of the cylindrical spring is sleeved with the sliding rod.

[0014] Further, including end cover, gasket, bearing; the connecting sleeve is adjacent to one end of the wheel body, the outer wall is equipped with positioning convex edge, buckle groove, the positioning convex edge, buckle groove is in step hierarchical distribution; and the connecting sleeve is adjacent to one end inner wall of the wheel body and is equipped with installation groove; the gasket, bearing is installed in the installation groove; the end cover is sleeved with the connecting sleeve, and the inner ring of the end cover is equipped with buckle convex that matches with the buckle groove.

[0015] Further, the connecting sleeve side wall is equipped with screw hole.

[0016] Compared with the prior art, the wheel pressing quick release structure provided by the utility model can be directly and simply pressed once, and the lock catch is in the avoiding position, so that the connecting rod can be conveniently installed in or pulled out of the connecting hole.When it is in the assembled state, the connecting rod is installed in the connecting hole, the connecting groove is located in the position corresponding to the lock catch, the pressing piece is released, and the elastic abutting piece keeps the lock catch from falling into the connecting groove, which is convenient and fast.Moreover, when the pressing piece is pressed or the pressing piece is released, the limiting support moves, and the limiting support moves more stably and accurately in the sliding and guiding cooperation of the sliding rail and the guide hole, so that the deviation is prevented, and when the wheel needs to be quickly maintained, it is also more convenient to disassemble, replace and use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the wheel pressing quick release structure of the application.

[0018] Figure 2 It is a structure schematic view of the elastic abutting piece, the pressing piece and the limiting support of the wheel pressing quick release structure of the application.

[0019] Figure 3 It is a structure exploded view of the wheel pressing quick release structure of the application.

[0020] Figure 4 It is a further structure exploded view of the wheel pressing quick release structure of the application.

[0021] Figure 5 It is a structure exploded view of the wheel pressing quick release structure of the application.

[0022] Figure 6 It is a sectional view of the wheel pressing quick release structure of the application.

[0023] Figure 7 It is a sectional view of the wheel pressing quick release structure of the application when the connecting rod is limited and connected by the limiting support.

[0024] Figure 8 It is a structure schematic view of the wheel pressing quick release structure of the application when the wheel is connected.

[0025] Figure 9 Fig. 1 is a structural schematic diagram of a wheel pressing quick release structure connecting a wheel and a connecting pipe.

[0026] The reference signs shown in the figure: 1, wheel; 110, wheel body; 120, connecting rod; 121, connecting groove; 122, first sliding slope; 2, connecting sleeve; 210, connecting hole; 220, erecting part; 221, sliding hole; 222, guide hole; 230, accommodating groove; 240, avoiding hole; 250, positioning convex edge; 260, buckle groove; 270, mounting groove; 280, threaded hole; 3, elastic abutting piece; 4, pressing piece; 5, limiting support; 510, sliding rod; 520, sliding rail; 530, support plate body; 531, lock catch; 532, second sliding slope; 533, accommodating groove; 6, end cover; 610, buckle protrusion; 7, gasket; 8, bearing; 9, connecting pipe; 910, butt joint groove; 920, through hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0028] It should be noted that when one component is considered to be "connected" to another component, it can be directly connected to the other component, or a middle component can exist at the same time. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which the present application belongs. It should also be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. The terms used in the specification of the present application are only for the purpose of describing the specific embodiments, and are not intended to limit the present application.

[0029] It also needs to be explained that in the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] Please refer to Figures 1-9 The embodiment provides a wheel pressing quick release structure for connecting or disconnecting a wheel and a vehicle body, the wheel 1 comprising a wheel body 110 and a connecting rod 120 connected with the wheel body 110, one end of the connecting rod 120 away from the wheel body 110 being provided with a connecting groove 121.

[0031] The wheel pressing quick release structure comprises a connecting sleeve 2, an elastic abutting piece 3, a pressing piece 4 and a limiting support 5, the connecting sleeve 2 being provided with a connecting hole 210 into which the connecting rod 120 extends; the connecting sleeve 2 being provided with a mounting portion 220, the mounting portion 220 being provided with a sliding hole 221 and a guide hole 222; the pressing piece 4 and the limiting support 5 being respectively arranged on both sides of the sliding hole 221, the limiting support 5 being provided with a sliding rod 510 passing through the sliding hole 221 and a sliding rail 520 in sliding connection with the guide hole 222; the pressing piece 4 being connected with the end portion of the sliding rod 510.

[0032] The limiting support 5 is further provided with a lock catch 531 corresponding to the connecting groove 121; one end of the elastic abutting piece 3 abuts against the pressing piece 4, and the other end abuts against the mounting portion 220; when the pressing piece 4 is pressed, the lock catch 531 moves to a predetermined position away from the sliding hole 221, and after the connecting rod 120 extends into the connecting hole 210, the pressing piece 4 is released, and the elastic abutting piece 3 keeps the lock catch 531 falling into the connecting groove 121.

[0033] In some embodiments, the length direction of the connecting rod 120 and the length direction of the sliding rod 510 are in a perpendicular relationship; and the length direction of the sliding rod 510 and the length direction of the sliding rail 520 are in a parallel relationship.

[0034] Pressing the pressing piece 4, the limiting support 5 connected with the pressing piece 4 also moves synchronously and overcomes the elastic force of the elastic resisting piece 3 at the same time. The lock catch 531 moves to a predetermined position in the direction of separating from the sliding hole 221. It can be pressed to the limit position by the force of an ordinary adult. The pressing piece 4 cannot make the limiting support 5 continue to move, and the elastic resisting piece 3 is also compressed to the limit. At this time, the connecting rod 120 is in and out of the connecting hole 210, and neither of them is interfered by the lock catch 531 because the lock catch 531 has moved to the avoiding position with the limiting support 5.

[0035] In addition, it is also unnecessary to press the pressing piece 4 to make the limiting support 5 move to the limit position. As long as the lock catch 531 moves to the position not contacting the connecting rod 120 in the connecting hole 210, it belongs to the lock catch 531 moving to the predetermined position in the direction of separating from the sliding hole 221.

[0036] Through this design, the user can directly and directly press the pressing piece 4 once to make the lock catch 531 in the avoiding position, so as to conveniently put or pull out the connecting rod 120 from the connecting hole 210. When it is in the assembled state, the connecting rod 120 is put into the connecting hole 210, and the connecting groove 121 is located at the position corresponding to the lock catch 531. The elastic resisting piece 3 keeps the lock catch 531 falling into the connecting groove 121, which is convenient and fast.

[0037] And when the pressing piece 4 is pressed or the pressing piece 4 is not pressed, the limiting support 5 moves, and the movement of the limiting support 5 is more stable and accurate by relying on the sliding and guiding cooperation relationship between the sliding rail 520 and the guide hole 222, so that the deflection is prevented and the operation is not smooth.

[0038] Preferably, the sliding hole 221 is centrally arranged in the connecting hole 210.

[0039] Please refer to Figure 2 and Figure 6 The pressing piece 4 is threadedly connected with the sliding rod 510.

[0040] The outer diameter of the pressing piece 4 is greater than the outer diameter of the sliding hole 221. On the one hand, the pressing piece 4 increases the contact area between the user and the end of the sliding rod 510, and on the other hand, by threadedly connecting the pressing piece 4 with the sliding rod 510, the position where the pressing piece 4 finally stays can also determine the compression degree of the elastic resisting piece 3, the elastic force provided by the counter-acting elasticity, the position of the limiting support 5, the tightness of the lock catch 531 connecting the connecting groove 121, and the difficulty of pressing the pressing piece 4.

[0041] Preferably, the outer wall of the pressing piece 4 is provided with anti-skid lines.

[0042] Please refer to Figure 2 and Figure 6The end of the connecting rod 120 is provided with a first sliding slope 122, and the limiting support 5 is provided with a second sliding slope 532 corresponding to the first sliding slope 122.

[0043] Through the design, in the process of installing the connecting rod 120 of the external wheel 1 into the connecting hole 210, the first sliding slope 122 and the second sliding slope 532 abut, the second sliding slope 532 drives the limiting support 5 to move, and overcomes the elastic force of the elastic abutting piece 3, until the first sliding slope 122 and the second sliding slope 532 are out of contact, the first sliding slope 122 passes the second sliding slope 532, and the connecting groove 121 is connected with the lock catch 531. The structure can complete the connection without pressing the pressing piece 4 when assembling the wheel 1 and the connecting sleeve 2, which is convenient and fast.

[0044] The connecting sleeve 2 can be a vehicle body structure, a structure on a vehicle body chassis, or a vehicle frame structure of a vehicle body.

[0045] Please refer to Figure 2 and Figure 6 , the limiting support 5 is provided with a receiving groove 533 for accommodating the end of the connecting rod 120; and the lock catch 531 is located between the second sliding slope 532 and the receiving groove 533.

[0046] The structure makes the end of the connecting rod 120 away from the wheel body 110 form a circular truncated cone body, which abuts against the receiving groove 533, so that the connection is more stable, and the imbalance of connecting the connecting rod 120 on one side with the lock catch 531 is avoided.

[0047] Please refer to Figure 6 , the connecting sleeve 2 is provided with a containing groove 230 for containing at least part of the pressing piece 4.

[0048] With the accommodation of the containing groove 230, the more conspicuous display of the pressing piece 4 on the outer wall of the connecting sleeve 2 can be avoided.

[0049] Please refer to Figure 1 and Figure 4 , the connecting sleeve 2 is provided with an avoiding hole 240 corresponding to the limiting support 5, and the avoiding hole 240 is in communication with the connecting hole 210.

[0050] The avoiding hole 240 is used for the limiting support 5 to be arranged on one side of the sliding hole 221, and the position of the limiting support 5 can be observed from one side of the connecting sleeve 2.

[0051] Please refer to Figures 1-3The limiting support 5 comprises a support plate body 530, and the sliding rod 510 and the sliding rail 520 are arranged on the side wall of the support plate body 530; the second sliding slope 532, the accommodating groove 533 and the lock catch 531 are arranged on the support plate body 530; and the side wall of the support plate body 530, which is away from the sliding rod 510, the sliding rail 520, the second sliding slope 532, the accommodating groove 533 and the lock catch 531, is provided with an arc surface which is in sequence with the outer wall of the connecting sleeve 2.

[0052] When the connecting rod 120 and the connecting sleeve 2 are assembled by the elastic abutting piece 3, the pressing piece 4 and the limiting support 5, the support plate body 530 blocks the position avoiding hole 240, so that the place where the limiting support 5 is arranged is relatively flat in appearance, and the aesthetic appearance is improved.

[0053] In some embodiments, the sliding rod 510, the sliding rail 520 and the support plate body 530 are connected to form a structure which is substantially in the shape of “F” in the side view.

[0054] Please refer to Figure 2 The elastic abutting piece 3 is a cylindrical spring, and the inner hole of the cylindrical spring is sleeved with the sliding rod 510.

[0055] Please refer to Figure 4 and Figure 5 , Figure 7 The connecting sleeve 2 is adjacent to one end of the wheel body 110, and the outer wall of the connecting sleeve 2 is provided with a positioning convex edge 250 and a buckle groove 260 which are arranged in a stepped hierarchical manner; the inner wall of the connecting sleeve 2 adjacent to one end of the wheel body 110 is provided with a mounting groove 270; the gasket 7 and the bearing 8 are mounted in the mounting groove 270; and the end cover 6 is sleeved with the connecting sleeve 2, and the inner ring of the end cover 6 is provided with a buckle protrusion 610 which is matched with the buckle groove 260.

[0056] The side wall of the connecting sleeve 2 is provided with a threaded hole 280.

[0057] In some embodiments, the outer wall of the connecting sleeve 2 is also used for being sleeved with a connecting pipe 9 of a frame of a vehicle body, the end of the connecting pipe 9 is provided with a butt joint groove 910 which is butted with the positioning convex edge 250, and then the threaded hole 280 of the connecting sleeve 2 is penetrated by a screw and penetrates the through hole 920 of the connecting pipe 9 to further fix the connecting sleeve 2 and the connecting pipe 9.

[0058] The positioning convex edge 250 and the threaded hole 280 can also be connected with other accessories.

[0059] The buckle protrusion 610 of the end cover 6 is connected and matched with the buckle groove 260 to be clamped tightly, and the end cover 6 is connected and matched with the corresponding components on the vehicle wheel 1 to abut, so that the gasket 7 and the bearing 8 can be prevented from being separated from the mounting groove 270.

[0060] The positioning convex edge 250 and the buckle groove 260 are arranged in a stepped hierarchy, specifically, the buckle groove 260 is located between the positioning convex edge 250 and the connected wheel 1.

[0061] In the specification and claims of the present application, the words "comprise / comprising" and the words "have / having" and their conjugates, are used to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps, components, or groups thereof.

[0062] Some features of the present application are described in different embodiments for clarity, however, these features can also be combined in a single embodiment. Conversely, some features of the present application, which are described in a single embodiment for brevity, can also be described in different embodiments separately or in any suitable combination.

[0063] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wheel press-and-release structure for connecting or disconnecting a wheel from a vehicle body, the wheel comprising a wheel body and a connecting rod connected to the wheel body, wherein the end of the connecting rod away from the wheel body is provided with a connecting groove; characterized in that, The device includes a connecting sleeve, an elastic abutment, a pressing member, and a limiting bracket. The connecting sleeve has a connecting hole into which the connecting rod can extend. The connecting sleeve also has a mounting portion with a sliding hole and a guide hole. The pressing member and the limiting bracket are respectively located on both sides of the sliding hole. The limiting bracket has a sliding rod passing through the sliding hole and a sliding rail slidably connected to the guide hole. The pressing member is connected to the end of the sliding rod. The limiting bracket also has a latch corresponding to the connecting groove. One end of the elastic abutment abuts against the pressing member, and the other end abuts against the mounting portion. When the pressing member is pressed, the latch moves away from the sliding hole to a predetermined position. After the connecting rod extends into the connecting hole, the pressing member is released, and the elastic abutment keeps the latch in the connecting groove.

2. The wheel pressing quick-release structure according to claim 1, characterized in that, The pressing element is threadedly connected to the slide rod.

3. The wheel pressing quick-release structure according to claim 1, characterized in that, The end of the connecting rod is provided with a first sliding slope, and the limiting bracket is provided with a second sliding slope corresponding to the first sliding slope.

4. The wheel pressing quick-release structure according to claim 3, characterized in that, The limiting bracket is provided with a receiving groove for receiving the end of the connecting rod; the latch is located between the second sliding inclined surface and the receiving groove.

5. The wheel pressing quick-release structure according to claim 1, characterized in that, The connecting sleeve is provided with a receiving groove to accommodate at least a portion of the pressing element.

6. The wheel pressing quick-release structure according to claim 1, characterized in that, The connecting sleeve is provided with a clearance hole corresponding to the limiting bracket, and the clearance hole communicates with the connecting hole.

7. The wheel pressing quick-release structure according to claim 4, characterized in that, The limiting bracket includes a support plate, and the slide rod and slide rail are both provided on the side wall of the support plate; the second sliding inclined surface, the receiving groove, and the buckle are provided on the support plate; the side wall of the support plate opposite to the slide rod, slide rail, second sliding inclined surface, receiving groove, and buckle is provided with an arc surface that is in line with the outer wall of the connecting sleeve.

8. The wheel pressing quick-release structure according to claim 1, characterized in that, The elastic support member is a cylindrical spring, and the inner hole of the cylindrical spring is sleeved with the slide rod.

9. The wheel pressing quick-release structure according to claim 1, characterized in that, The device includes an end cap, a gasket, and a bearing; the connecting sleeve is located near one end of the wheel body, and its outer wall is provided with a positioning protrusion and a snap-fit ​​groove, which are distributed in a stepped manner; the inner wall of the connecting sleeve near one end of the wheel body is provided with an installation groove; the gasket and the bearing are installed in the installation groove; the end cap is fitted onto the connecting sleeve, and the inner ring of the end cap is provided with a snap-fit ​​protrusion that matches the snap-fit ​​groove.

10. A wheel pressing quick-release structure according to claim 1, characterized in that, The connecting sleeve has threaded holes on its side wall.

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